data/connectivity/graph_description/easy/graph125.txt

In an undirected graph, (i,j) means that node i and node j are connected with an undirected edge.
The nodes are numbered from 0 to 9, and the edges are: (1,4) (3,6) (4,0) (7,9) (2,5) (7,4) (3,1) (5,3) (3,8).